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A mass of m kilograms is attached to a spring with spring contant k kilograms per...

A mass of m kilograms is attached to a spring with spring contant k kilograms per second squared. The initial position of the mass is x_0 meters from the spring's equilibrium position and the initial velocity is v_0 meters per second. Find an equation x(t) describing the motion of the mass assuming the damping constant is c kilograms per second and t is time measured in seconds.

m=1/2, c=3, k=4, x_0=2, v_0=0

please explain how to do this.
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